com.mebigfatguy.fbcontrib.utils

Class CollectionUtils

java.lang.Object

com.mebigfatguy.fbcontrib.utils.CollectionUtils

public final class CollectionUtils
extends java.lang.Object

a collection of static methods for determining if a class belongs to one or more collection types.

Field Summary

Fields

Modifier and Type	Field and Description
private static org.apache.bcel.classfile.JavaClass	LIST_CLASS
private static org.apache.bcel.classfile.JavaClass	MAP_CLASS
private static org.apache.bcel.classfile.JavaClass	SET_CLASS

Constructor Summary

Constructors

Modifier	Constructor and Description
private	CollectionUtils() private to reinforce the helper status of the class

Method Summary

Modifier and Type	Method and Description
static boolean	isEmpty(java.util.Collection<?> c)
static boolean	isEmpty(java.util.Map<?,?> m)
static <T> boolean	isEmpty(T... a)
static boolean	isListSetMap(java.lang.String clsName) determines if the current class name is derived from List, Set or Map

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LIST_CLASS

private static org.apache.bcel.classfile.JavaClass LIST_CLASS

SET_CLASS

private static org.apache.bcel.classfile.JavaClass SET_CLASS

MAP_CLASS

private static org.apache.bcel.classfile.JavaClass MAP_CLASS

Constructor Detail

CollectionUtils

private CollectionUtils()

private to reinforce the helper status of the class

Method Detail

isListSetMap

public static boolean isListSetMap(java.lang.String clsName)
                            throws java.lang.ClassNotFoundException

determines if the current class name is derived from List, Set or Map

Parameters:

clsName - the class to determine it's parentage

Returns:

if the class is a List, Set or Map

Throws:

java.lang.ClassNotFoundException - if the cls parameter can't be found

isEmpty

public static boolean isEmpty(java.util.Collection<?> c)

isEmpty

public static boolean isEmpty(java.util.Map<?,?> m)

isEmpty

@SafeVarargs
public static <T> boolean isEmpty(T... a)